EP2299064A3 - Variable stator vane assembly and corresponding compressor for a gas turbine engine - Google Patents

Variable stator vane assembly and corresponding compressor for a gas turbine engine Download PDF

Info

Publication number
EP2299064A3
EP2299064A3 EP10175391.1A EP10175391A EP2299064A3 EP 2299064 A3 EP2299064 A3 EP 2299064A3 EP 10175391 A EP10175391 A EP 10175391A EP 2299064 A3 EP2299064 A3 EP 2299064A3
Authority
EP
European Patent Office
Prior art keywords
gas turbine
turbine engine
variable stator
stator vane
vane assembly
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP10175391.1A
Other languages
German (de)
French (fr)
Other versions
EP2299064A2 (en
EP2299064B1 (en
Inventor
Gareth John Jones
Stephanie Maimari
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Rolls Royce PLC
Original Assignee
Rolls Royce PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Rolls Royce PLC filed Critical Rolls Royce PLC
Publication of EP2299064A2 publication Critical patent/EP2299064A2/en
Publication of EP2299064A3 publication Critical patent/EP2299064A3/en
Application granted granted Critical
Publication of EP2299064B1 publication Critical patent/EP2299064B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D17/00—Regulating or controlling by varying flow
    • F01D17/10—Final actuators
    • F01D17/12—Final actuators arranged in stator parts
    • F01D17/14—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits
    • F01D17/16—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes
    • F01D17/162—Final actuators arranged in stator parts varying effective cross-sectional area of nozzles or guide conduits by means of nozzle vanes for axial flow, i.e. the vanes turning around axes which are essentially perpendicular to the rotor centre line
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/56—Fluid-guiding means, e.g. diffusers adjustable
    • F04D29/563—Fluid-guiding means, e.g. diffusers adjustable specially adapted for elastic fluid pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/20—Control lever and linkage systems
    • Y10T74/20576—Elements
    • Y10T74/20582—Levers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Control Of Turbines (AREA)

Abstract

A variable stator vane assembly for a gas turbine engine has a projection protruding from the upper stem of the vane and which engages an aperture in the vane lever to provide a visual indication of correct alignment between the lever and the vane.
EP10175391.1A 2009-09-10 2010-09-06 Variable stator vane assembly and corresponding compressor for a gas turbine engine Active EP2299064B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0915786.8A GB0915786D0 (en) 2009-09-10 2009-09-10 Variable stator vane assemblies

Publications (3)

Publication Number Publication Date
EP2299064A2 EP2299064A2 (en) 2011-03-23
EP2299064A3 true EP2299064A3 (en) 2013-10-23
EP2299064B1 EP2299064B1 (en) 2014-08-06

Family

ID=41203461

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10175391.1A Active EP2299064B1 (en) 2009-09-10 2010-09-06 Variable stator vane assembly and corresponding compressor for a gas turbine engine

Country Status (3)

Country Link
US (1) US8651803B2 (en)
EP (1) EP2299064B1 (en)
GB (1) GB0915786D0 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10132179B2 (en) 2012-09-28 2018-11-20 United Technologies Corporation Alignment tool for use in a gas turbine engine
US9988926B2 (en) 2013-03-13 2018-06-05 United Technologies Corporation Machined vane arm of a variable vane actuation system
US10018069B2 (en) * 2014-11-04 2018-07-10 United Technologies Corporation Vane arm with inclined retention slot
US9611751B1 (en) * 2015-09-18 2017-04-04 Borgwarner Inc. Geometry for increasing torque capacity of riveted vane lever
US10208619B2 (en) 2015-11-02 2019-02-19 Florida Turbine Technologies, Inc. Variable low turbine vane with aft rotation axis
DE102016224523A1 (en) * 2016-12-08 2018-06-14 MTU Aero Engines AG Guide vane adjustment with laterally mounted adjustment lever
US10753224B2 (en) * 2017-04-27 2020-08-25 General Electric Company Variable stator vane actuator overload indicating bushing
US10590795B2 (en) * 2017-10-17 2020-03-17 United Technologies Corporation Vane arm with tri-wedge circular pocket
DE102018202119A1 (en) 2018-02-12 2019-08-14 MTU Aero Engines AG Lever connection of a guide vane adjustment for turbomachinery
US20190264574A1 (en) * 2018-02-28 2019-08-29 United Technologies Corporation Self-retaining vane arm assembly for gas turbine engine

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1409502A (en) * 1972-05-30 1975-10-08 Gen Motors Corp Threaded fastener assembly
GB2412947A (en) * 2004-04-07 2005-10-12 Rolls Royce Plc Variable stator vane connection

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492446A (en) 1994-12-15 1996-02-20 General Electric Company Self-aligning variable stator vane
US6019574A (en) * 1998-08-13 2000-02-01 General Electric Company Mismatch proof variable stator vane
DE10352099B4 (en) * 2003-11-08 2017-08-24 MTU Aero Engines AG Device for adjusting vanes
FR2904669B1 (en) 2006-08-02 2012-05-18 Snecma VANE CONTROL DEVICE WITH TURBOMACHINE VARIABLE SETTING ANGLE

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1409502A (en) * 1972-05-30 1975-10-08 Gen Motors Corp Threaded fastener assembly
GB2412947A (en) * 2004-04-07 2005-10-12 Rolls Royce Plc Variable stator vane connection

Also Published As

Publication number Publication date
EP2299064A2 (en) 2011-03-23
EP2299064B1 (en) 2014-08-06
US20110058932A1 (en) 2011-03-10
US8651803B2 (en) 2014-02-18
GB0915786D0 (en) 2009-10-07

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